Water Quality: Bloomington, IL
6 water systems • 82,110 people served
Multiple Health ViolationsWater Quality Summary
Bloomington is served by 6 public water systems with a combined service population of 82,110 people, and has 185 EPA Safe Drinking Water Act violations on record. Critically, 9 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Bloomington's violation count is 542% above the national average for Illinois. Contaminants associated with violations include Barium, Disinfection Byproducts, Stage 2 DBP.
Contaminants Found
Increases blood pressure and causes cardiovascular effects with long-term exposure.
Common source: Natural rock deposits, oil drilling operations, coal power plant waste
EPA limit: 2 mg/L
Broad category of chemicals formed during disinfection, associated with increased cancer risk and adverse reproductive effects.
Common source: Reaction of disinfectants (chlorine, ozone, chloramines) with organic matter
Trihalomethanes and haloacetic acids that increase cancer risk and may cause adverse reproductive outcomes.
Common source: Chlorine disinfection reacting with natural organic matter in source water
EPA limit: TTHM: 0.080 mg/L; HAA5: 0.060 mg/L
Water Systems Serving Bloomington
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| BLOOMINGTON | IL1130200 | Surface Water | 77,610 | 4 |
| BLOOMINGTON TOWNSHIP PWD WEST PHASE | IL1130040 | Surface Water | 1,800 | 3 |
| HILLTOP MHP | IL1130080 | Surface Water | 1,360 | 45 |
| BLOOMINGTON TOWNSHIP PWD-CRESTWICKE | IL1135120 | Surface Water | 900 | 2 |
| WILLOW CREEK NORTH MHP | IL1135130 | Surface Water | 250 | 64 |
| COLONIAL MEADOWS WATER COMPANY | IL1135100 | Groundwater | 190 | 67 |
Concerned About Your Water?
A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.
Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.
Other Cities in Illinois
Data Sources
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.